Bonfire: Smallest Common Multiple

bonfire-smallest-common-multiple.js

// Bonfire: Smallest Common Multiple 
// Author: @clive-bunting 
// Challenge: http://www.freecodecamp.com/challenges/bonfire-smallest-common-multiple# 
// Learn to Code at Free Code Camp (www.freecodecamp.com) 

function smallestCommons(arr) { 
 var lbound = Math.min(arr[0], arr[1]); 
 var ubound = Math.max(arr[0], arr[1]); 
 var multiple = 0; 
 var multipleFound = false; 
 var step = ubound * (ubound - 1); 
 do { 
   multiple += step; 
   console.log(multiple); 
   multipleFound = true; 
   for (var i = lbound; i <= ubound; i++) { 
     if (multiple % i !== 0) { 
       multipleFound = false; 
     } 
   } 
 } while (!multipleFound); 
 return multiple; 
} 

smallestCommons([1,5]);